This report provides a detailed overview of international law and the role of United Nations institutions in maintaining global peace and security. It begins by examining the aftermath of war and inhumane circumstances, highlighting the economic and social impacts, particularly on vulnerable populations. The report then discusses the legal guidelines established by UN institutions, including the UN General Assembly's resolutions and the challenges faced by the UN Security Council. It further analyzes the powers and duties of UN institutions, emphasizing their potential for engaging in civil conflicts and the importance of reforms to enhance their effectiveness. The report concludes by stressing the responsibility of the UN in asserting international administration devotion and impacting society welfare, referencing works by Higgins, Webb, Akande, Sivakumaran, Sloan, Mende and Ogunnoiki.